Euphorbia tithymaloides

Pencil Tree / Devil's Backbone

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Succulent shrub with pencil-like stems and toxic latex sap. A popular ornamental for bright indoor or sheltered outdoor locations.
yard Succulents plants wb_sunny Half-shade / Sun pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com - Out of Stock $95.00 Buy
Merchant Pot Size Availability Price
Amazon.com 3-4 in Out of Stock $27.99 Buy
info

Plant Details

Common Name Pencil Tree / Devil's Backbone
Family Euphorbiaceae
Genus Euphorbia
Species Tithymaloides
Origin Caribbean / Tropical Americas
Blooming Small yellow-green cyathia, primarily in summer months under bright light.
Leaf Color Green stems with occasional reddish-purple hues in strong sun; leaves small and deciduous.
Sunlight Half-shade / Sun
Category Succulents plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Specialized cactus/succulent mix with high drainage (perlite, pumice)

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Watering

Water only when soil is completely dry. Reduce drastically in winter dormancy. Avoid wetting stems.

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Sunlight & Care

Requires bright light to maintain stem color; direct sun tolerated in summer but avoid scorching heat.

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Fertilization

Apply diluted balanced fertilizer monthly during active growth (Spring/Summer). Stop in Winter.

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Pruning

Wear gloves and eye protection due to toxic sap; prune dead or leggy stems to encourage branching.

Pest Control Mealybug Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 60%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 18000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2500 – 4000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 40%
% volumetric
Water content in the growing medium
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Soil EC
350 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
local_hospital

Common Problems

Something wrong with your Euphorbia tithymaloides? Select a symptom to diagnose and fix the issue.

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